Overview

overview

10

Static

static

1

Payroll fo...DF.bat

windows7-x64

10

Payroll fo...DF.bat

windows10-2004-x64

10

Sharing

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General

  • Target

    5d00074d8fe36dde5b78c0233b25564afecb99befcdd6228eb48971c28e0f067.gz

  • Size

    1.4MB

  • Sample

    240728-bl376szarn

  • MD5

    e59e66a0212320182715dc9aa7790b00

  • SHA1

    62e2dd57b02fe78182995b72e792fa62cca08f5f

  • SHA256

    5d00074d8fe36dde5b78c0233b25564afecb99befcdd6228eb48971c28e0f067

  • SHA512

    244641b006669eee9dd394bd2491c7207ba73d9b4da640d9fecc42921c614c14a15a7c2bbe246628b38191c99a20bd2844b3e26c7fcb0bcd7faf9548cb1b6658

  • SSDEEP

    24576:ObEjUD53ELMD7NzB3ORCw3G3OHJxphZ0Qtof5Kjcp7DmEXqw4rIfMj5TBF:ilD53Eu7xFORH2epxpUf5qcZmEK0fC5D

Score
10/10
remcosremotehostcollectioncredential_accessdiscoverypersistenceratstealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:54888

zuesremmy.duckdns.org:54888
Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Z19JY9

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Payroll for July.PDF.bat

    • Size

      4.9MB

    • MD5

      221325197f9623e7be8285e05b28c8db

    • SHA1

      e96b0bf85a8b3e9544eed7b2db4db08bbaee5707

    • SHA256

      68711195c07e287987488f7045c7147501ccfbae22318b8460d01a86d2f09599

    • SHA512

      30b445175c2700065cfecc18d839f4129297435f94649fc5f5fdc489a3151e4544abcf40e2923e2d2002e438f6bf03cdc4cdbd21d44344cc2306c25cc401e98e

    • SSDEEP

      49152:qILm52gH9tPNjLtDgqYQQLg74MmPp1E1TlUQdbKvqsCOP1Ru4JmB/po9c4:5

    Score
    10/10
    remcosremotehostdiscoverypersistenceratcollectioncredential_accessstealer

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Email Collection

1
T1114

Command and Control

Exfiltration

Impact

Tasks